﻿#region License
/***********************************************
 *  SearchEF v.1
 *  Written by James Levingston
 *  
 *  To get latest version or to see latest info:
 *  http://searchef.codeplex.com/
 *  
 *  The MIT License (MIT)
 *  http://en.wikipedia.org/wiki/MIT_License
 *  Copyright (C) <2011> by <James Levingston>
 *
 *  Permission is hereby granted, free of charge, to any person obtaining a copy
 *  of this software and associated documentation files (the "Software"), to deal
 *  in the Software without restriction, including without limitation the rights
 *  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 *  copies of the Software, and to permit persons to whom the Software is
 *  furnished to do so, subject to the following conditions:
 *
 *  The above copyright notice and this permission notice shall be included in
 *  all copies or substantial portions of the Software.

 *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 *  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 *  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 *  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 *  THE SOFTWARE.
 ***/
#endregion

using System;
using System.Collections.Generic;
using System.Linq;
using System.Collections;
using System.Reflection;
using System.Data.Services.Client;

namespace SearchEF
{
    public static class SearchEF
    {
        #region Generic Object Context

        #region Object Context List<T>
        /// <summary>
        /// 
        /// </summary>
        /// <typeparam name="TContext"></typeparam>
        /// <typeparam name="TEntity"></typeparam>
        /// <param name="obj"></param>
        /// <param name="searchText"></param>
        /// <returns></returns>
        public static List<ISearchResult<TEntity>> Search<TContext, TEntity>(this DataServiceContext obj, string searchText)
            where TEntity : class
            where TContext : DataServiceContext, new()
        {
            var search = new EFTextSearchEngine<TContext>();
            return search.SearchEntity<TEntity>(searchText);
        }
        /// <summary>
        /// 
        /// </summary>
        /// <typeparam name="TContext"></typeparam>
        /// <typeparam name="TEntity"></typeparam>
        /// <param name="obj"></param>
        /// <param name="searchText"></param>
        /// <param name="searchCriteria"></param>
        /// <returns></returns>
        public static List<ISearchResult<TEntity>> Search<TContext, TEntity>(this DataServiceContext obj,
            string searchText,
            Func<TEntity, bool> searchCriteria)
            where TEntity : class
            where TContext : DataServiceContext, new()
        {
            var search = new EFTextSearchEngine<TContext>();
            return search.SearchEntity<TEntity>(searchText, searchCriteria);
        }
        /// <summary>
        /// 
        /// </summary>
        /// <typeparam name="TContext"></typeparam>
        /// <typeparam name="TEntity"></typeparam>
        /// <param name="obj"></param>
        /// <param name="searchText"></param>
        /// <param name="searchCriteria"></param>
        /// <param name="typeCriteria"></param>
        /// <returns></returns>
        public static List<ISearchResult<TEntity>> Search<TContext, TEntity>(this DataServiceContext obj,
            string searchText,
            Func<TEntity, bool> searchCriteria,
            Func<Type, bool> typeCriteria)
            where TEntity : class
            where TContext : DataServiceContext, new()
        {
            var search = new EFTextSearchEngine<TContext>();
            return search.SearchEntity<TEntity>(searchText, searchCriteria, typeCriteria);
        }
        /// <summary>
        /// 
        /// </summary>
        /// <typeparam name="TContext"></typeparam>
        /// <typeparam name="TEntity"></typeparam>
        /// <param name="obj"></param>
        /// <param name="searchText"></param>
        /// <param name="searchCriteria"></param>
        /// <param name="typeCriteria"></param>
        /// <returns></returns>
        public static List<ISearchResult<TEntity>> Search<TContext, TEntity>(this DataServiceContext obj,
            string searchText,
            Func<TEntity, bool> searchCriteria,
            Func<PropertyInfo, bool> propertyCriteria)
            where TEntity : class
            where TContext : DataServiceContext, new()
        {
            var search = new EFTextSearchEngine<TContext>();
            return search.SearchEntity<TEntity>(searchText, searchCriteria, propertyCriteria);
        }
        /// <summary>
        /// 
        /// </summary>
        /// <typeparam name="TContext"></typeparam>
        /// <typeparam name="TEntity"></typeparam>
        /// <param name="obj"></param>
        /// <param name="searchText"></param>
        /// <param name="searchCriteria"></param>
        /// <param name="typeCriteria"></param>
        /// <param name="engine"></param>
        /// <returns></returns>
        public static List<ISearchResult<TEntity>> Search<TContext, TEntity>(
            this DataServiceContext obj,
            string searchText,
            Func<TEntity, bool> searchCriteria,
            Func<Type, bool> typeCriteria,
            IEFTextSearchEngine<TContext> engine)
            where TEntity : class
            where TContext : DataServiceContext, new()
        {
            if (engine == null)
                return null;
            engine.SetContext(obj as TContext);
            return engine.SearchEntity<TEntity>(searchText, searchCriteria, typeCriteria);
        }
        /// <summary>
        /// 
        /// </summary>
        /// <typeparam name="TContext"></typeparam>
        /// <typeparam name="TEntity"></typeparam>
        /// <param name="obj"></param>
        /// <param name="searchText"></param>
        /// <param name="searchCriteria"></param>
        /// <param name="typeCriteria"></param>
        /// <param name="engine"></param>
        /// <returns></returns>
        public static List<ISearchResult<TEntity>> Search<TContext, TEntity>(
            this DataServiceContext obj,
            string searchText,
            Func<TEntity, bool> searchCriteria,
            Func<PropertyInfo, bool> propertyCriteria,
            IEFTextSearchEngine<TContext> engine)
            where TEntity : class
            where TContext : DataServiceContext, new()
        {
            if (engine == null)
                return null;
            engine.SetContext(obj as TContext);
            return engine.SearchEntity<TEntity>(searchText, searchCriteria, propertyCriteria);
        }
        #endregion

        #region Entity Object List<T>
        /// <summary>
        /// 
        /// </summary>
        /// <typeparam name="TContext"></typeparam>
        /// <typeparam name="TEntity"></typeparam>
        /// <param name="obj"></param>
        /// <param name="searchText"></param>
        /// <returns></returns>
        public static List<ISearchResult<TEntity>> Search<TContext, TEntity>(this object obj, string searchText)
            where TEntity : class
            where TContext : DataServiceContext, new()
        {
            var search = new EFTextSearchEngine<TContext>();
            return search.SearchEntity<TEntity>(searchText);
        }
        /// <summary>
        /// 
        /// </summary>
        /// <typeparam name="TContext"></typeparam>
        /// <typeparam name="TEntity"></typeparam>
        /// <param name="obj"></param>
        /// <param name="searchText"></param>
        /// <param name="searchCriteria"></param>
        /// <returns></returns>
        public static List<ISearchResult<TEntity>> Search<TContext, TEntity>(this object obj, string searchText, Func<TEntity, bool> searchCriteria)
            where TEntity : class
            where TContext : DataServiceContext, new()
        {
            var search = new EFTextSearchEngine<TContext>();
            return search.SearchEntity<TEntity>(searchText, searchCriteria);
        }
        /// <summary>
        /// 
        /// </summary>
        /// <typeparam name="TContext"></typeparam>
        /// <typeparam name="TEntity"></typeparam>
        /// <param name="obj"></param>
        /// <param name="searchText"></param>
        /// <param name="searchCriteria"></param>
        /// <param name="typeCriteria"></param>
        /// <returns></returns>
        public static List<ISearchResult<TEntity>> Search<TContext, TEntity>(this object obj,
            string searchText,
            Func<TEntity, bool> searchCriteria,
            Func<Type, bool> typeCriteria)
            where TEntity : class
            where TContext : DataServiceContext, new()
        {
            var search = new EFTextSearchEngine<TContext>();
            return search.SearchEntity<TEntity>(searchText, searchCriteria, typeCriteria);
        }
        /// <summary>
        /// 
        /// </summary>
        /// <typeparam name="TContext"></typeparam>
        /// <typeparam name="TEntity"></typeparam>
        /// <param name="obj"></param>
        /// <param name="searchText"></param>
        /// <param name="searchCriteria"></param>
        /// <param name="typeCriteria"></param>
        /// <returns></returns>
        public static List<ISearchResult<TEntity>> Search<TContext, TEntity>(this object obj,
            string searchText,
            Func<TEntity, bool> searchCriteria,
            Func<PropertyInfo, bool> propertyCriteria)
            where TEntity : class
            where TContext : DataServiceContext, new()
        {
            var search = new EFTextSearchEngine<TContext>();
            return search.SearchEntity<TEntity>(searchText, searchCriteria, propertyCriteria);
        }
        /// <summary>
        /// 
        /// </summary>
        /// <typeparam name="TContext"></typeparam>
        /// <typeparam name="TEntity"></typeparam>
        /// <param name="obj"></param>
        /// <param name="searchText"></param>
        /// <param name="searchCriteria"></param>
        /// <param name="typeCriteria"></param>
        /// <param name="engine"></param>
        /// <returns></returns>
        public static List<ISearchResult<TEntity>> Search<TContext, TEntity>(
            this object obj,
            string searchText,
            Func<TEntity, bool> searchCriteria,
            Func<Type, bool> typeCriteria,
            IEFTextSearchEngine<TContext> engine)
            where TEntity : class
            where TContext : DataServiceContext, new()
        {

            return CheckSearch<TContext>(engine).SearchEntity<TEntity>(searchText, searchCriteria, typeCriteria);
        }
        /// <summary>
        /// 
        /// </summary>
        /// <typeparam name="TContext"></typeparam>
        /// <typeparam name="TEntity"></typeparam>
        /// <param name="obj"></param>
        /// <param name="searchText"></param>
        /// <param name="searchCriteria"></param>
        /// <param name="typeCriteria"></param>
        /// <param name="engine"></param>
        /// <returns></returns>
        public static List<ISearchResult<TEntity>> Search<TContext, TEntity>(
            this object obj,
            string searchText,
            Func<TEntity, bool> searchCriteria,
            Func<PropertyInfo, bool> propertyCriteria,
            IEFTextSearchEngine<TContext> engine)
            where TEntity : class
            where TContext : DataServiceContext, new()
        {

            return CheckSearch<TContext>(engine).SearchEntity<TEntity>(searchText, searchCriteria, propertyCriteria);
        }
        private static IEFTextSearchEngine<TContext> CheckSearch<TContext>(IEFTextSearchEngine<TContext> search)
            where TContext : DataServiceContext, new()
        {
            return search ?? new EFTextSearchEngine<TContext>() as IEFTextSearchEngine<TContext>;
        }
        #endregion

        #endregion

        #region Non-Generic DataServiceContext

        #region List<T>
        /// <summary>
        /// 
        /// </summary>
        /// <typeparam name="TEntity"></typeparam>
        /// <param name="obj"></param>
        /// <param name="searchText"></param>
        /// <returns></returns>
        public static List<ISearchResult<TEntity>> Search<TEntity>(this DataServiceContext obj, string searchText)
            where TEntity : class
        {
            var search = new EFTextSearchEngine(obj);
            return search.SearchEntity<TEntity>(searchText);
        }
        /// <summary>
        /// 
        /// </summary>
        /// <typeparam name="TEntity"></typeparam>
        /// <param name="obj"></param>
        /// <param name="searchText"></param>
        /// <param name="searchCriteria"></param>
        /// <returns></returns>
        public static List<ISearchResult<TEntity>> Search<TEntity>(this DataServiceContext obj, string searchText, Func<TEntity, bool> searchCriteria)
            where TEntity : class
        {
            var search = new EFTextSearchEngine(obj);
            return search.SearchEntity<TEntity>(searchText, searchCriteria);
        }
        /// <summary>
        /// 
        /// </summary>
        /// <typeparam name="TEntity"></typeparam>
        /// <param name="obj"></param>
        /// <param name="searchText"></param>
        /// <param name="searchCriteria"></param>
        /// <param name="typeCriteria"></param>
        /// <returns></returns>
        public static List<ISearchResult<TEntity>> Search<TEntity>(this DataServiceContext obj, string searchText, Func<TEntity, bool> searchCriteria, Func<Type, bool> typeCriteria)
            where TEntity : class
        {
            var search = new EFTextSearchEngine(obj);
            return search.SearchEntity<TEntity>(searchText, searchCriteria, typeCriteria);
        }
        /// <summary>
        /// 
        /// </summary>
        /// <typeparam name="TEntity"></typeparam>
        /// <param name="obj"></param>
        /// <param name="searchText"></param>
        /// <param name="searchCriteria"></param>
        /// <param name="typeCriteria"></param>
        /// <returns></returns>
        public static List<ISearchResult<TEntity>> Search<TEntity>(this DataServiceContext obj, string searchText, Func<TEntity, bool> searchCriteria, Func<PropertyInfo, bool> propertyCriteria)
            where TEntity : class
        {
            var search = new EFTextSearchEngine(obj);
            return search.SearchEntity<TEntity>(searchText, searchCriteria, propertyCriteria);
        }
        /// <summary>
        /// 
        /// </summary>
        /// <typeparam name="TEntity"></typeparam>
        /// <param name="obj"></param>
        /// <param name="searchText"></param>
        /// <param name="searchCriteria"></param>
        /// <param name="typeCriteria"></param>
        /// <param name="engine"></param>
        /// <returns></returns>
        public static List<ISearchResult<TEntity>> Search<TEntity>(this DataServiceContext obj,
            string searchText,
            Func<TEntity, bool> searchCriteria,
            Func<Type, bool> typeCriteria,
            IEFTextSearchEngine engine)
            where TEntity : class
        {
            if (engine == null)
                return null;
            engine.SetContext(obj);
            return engine.SearchEntity<TEntity>(searchText, searchCriteria, typeCriteria);
        }
        /// <summary>
        /// 
        /// </summary>
        /// <typeparam name="TEntity"></typeparam>
        /// <param name="obj"></param>
        /// <param name="searchText"></param>
        /// <param name="searchCriteria"></param>
        /// <param name="typeCriteria"></param>
        /// <param name="engine"></param>
        /// <returns></returns>
        public static List<ISearchResult<TEntity>> Search<TEntity>(this DataServiceContext obj,
            string searchText,
            Func<TEntity, bool> searchCriteria,
            Func<PropertyInfo, bool> propertyCriteria,
            IEFTextSearchEngine engine)
            where TEntity : class
        {
            if (engine == null)
                return null;
            engine.SetContext(obj);
            return engine.SearchEntity<TEntity>(searchText, searchCriteria, propertyCriteria);
        }
        #endregion

        #endregion
    }
}
